File Parsing and Editing Help

[Tony Scharf]

This page will get you started

http://www.amk.ca/python/howto/regex/

Tony

On Mon, Dec 7, 2009 at 9:22 PM, Matt Picone <matman at mysticworks.com> wrote:
> -Barians,
>
> I am working on a software project (music related!) which involves an
> XML file. I lack the knowledge required to perform some specific edits.
>
> What I have to do is identify all instances of a certain construction in
> the text and change the case of certain characters found therein.
>
> The construction is consistent: it always begins with "item", followed
> by a 1-3 digit number (1, 11, 111), an equal sign, quotation marks, some
> VALUE, and then the close quotes.
>
> I want to change the CASE of the VALUE from ALL CAPS to Intial Caps.
> Initial Caps locations are designated as those which begin the string,
> follow a hypen, space, or forward slash.
>
> Ideally, I'd like to have an exceptions list, or a follow on procedure
> to correct certain entries which should be excepted (ex: ms, Hz, LED, etc.)
>
> There are typically multiple "item" entries found in succession. They'll
> always be preceded and followed by unrelated material.
>
> Example:
>
> I want to change:
>
> <Parameter effectType="MultiTap" effectID="114" paramType="INT"
> paramID="35" default="0" minimum="0" maximum="8" precision="0" unit=""
> numVals="9" item0="QUAD-TAP" item1="PLEX DELAY" item2="PLEX DETUNE"
> item3="PLEX SHIFT" item4="BAND DELAY" item5="QUAD-SERIES" item6="TEN-TAP
> DLY" item7="RHYTHM TAP" item8="DIFFUSOR"/><Parameter
> effectType="MultiTap" effectID="114" paramType="LIN" paramID="36"
> default="21" minimum="0.01" maximum="60" precision="2" unit="sec"
> numVals="255"/>
>
> To:
>
> <Parameter effectType="MultiTap" effectID="114" paramType="INT"
> paramID="35" default="0" minimum="0" maximum="8" precision="0" unit=""
> numVals="9" item0="Quad Tap" item1="Plex Delay" item2="Plex Detune"
> item3="Plex Shift" item4="Band Delay" item5="Quad Series" item6="Ten-Tap
> Delay" item7="RHYTHM TAP" item8="DIFFUSOR"/><Parameter
> effectType="MultiTap" effectID="114" paramType="LIN" paramID="36"
> default="21" minimum="0.01" maximum="60" precision="2" unit="sec"
> numVals="255"/>
>
> I need to perform this scrub easily and repeatedly over time. What do
> you recommend I use to make this change throught the file? RegEx? PERL?
> Something else?
>
> Any tips pointers, or outright assistance will be blatantly rewarded.
>
> Thanks!
>
> -m@
>
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